16 febBBC Radio nest box events
On the 16/17/18 February 2007, there will be 43 special nest box events around the country to help you make space for wildlife. Listen out for information on your local BBC Radio station.
You can pick up a free nest box kit at these events and experts are on hand if you need help putting it together.
Radio Scotland is helping get nest boxes into schools. Find out more. In Wales, get in touch with Radio Cymru for more information about their nest box giveaway. The number is 029 2032 2000.
Nest box events map
Click the dots on the map to find an event near you.
You'll need Flash to view the map download Flash for free or use the text only version.
When you've put up your nest box, or if you already have one in your garden, don't forget to register with the BTO to continue the challenge.